A little brain candy for you. This video isn’t directly about web performance, but it’s about a fascinating overlapping area of study: how and why we perceive time the way we do. (Short answer: No one quite agrees on the how, though they have some theories about the why.)

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One of the greatest perks of my job is that I get to talk to geniuses on a daily basis. I was extremely privileged to be able to chat recently with yet another genius: Joshua Marantz, leader of mod_pagespeed at Google.

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Images on the web are only going to get fatter, so we need to get a lot smarter about how we handle them. This includes embracing existing formats, such as WebP, that will make our images leaner, and developing new formats that can handle the emerging demands of retina displays.

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If you’re just starting out on your web performance journey, it’s easy to feel overwhelmed by how much there is to learn about something as “simple” as making pages faster. In this post, I offer my opinionated guide to the links you should check out if you’re a developer who’s new to the performance scene.

“People who experience flow on a regular basis are happier than people who don’t.” In the past I’ve talked about research that links flow to business metrics like conversions, pageviews, and revenue, but I’ve never explored the blunt statement that flow = happiness. So I decided to do some digging with this angle in mind.

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With real user measurement (RUM) poised to become a topic on every site owner’s lips, AOL performance evangelist Eric Goldsmith shares some important insights about how to extract actionable metrics from your RUM data and how to avoid falling into the trap of confusing correlation with causation.

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I’m Kent Alstad, a tech innovator & performance researcher with a (seemingly) simple goal: to make the Internet faster. I obsess over the many sides of web performance as VP of Acceleration at Radware. More...